SERVICE MANUAL
Axpert VM II-5000
and VM II-3000
5
Step 2:
Then, dustproof case can be removed and take out air filter foam as shown in below chart.
Step 3:
Clean air filter foam and dustproof case. After clearance, re-assemble the dust-kit back to the inverter.
NOTICE:
The anti-dust kit should be cleaned from dust every one month.
2. Troubleshooting
2.1 How to do
When the inverter was faulty, normally there are two main symptoms:
No display at all;
Fault code or warning code on the LCD;
When the fault occurred, please help to record the
fault information and follow “How to check”
of part 2.2 to check the inverter, then feedback the checking result to the service center. It
will be very helpful for solving the problem as soon as possible.
2.2 Fault condition
Note:
When open the top cover, please have a look first, are there any obviously damaged
parts?
When take the main board out, please have a look around, are there any obviously
damaged parts?
2.2.1. Not working at all/ No display
Description
The inverter couldn’t startup completely.
Possible reason
1. SPS module damaged.
How to check
1. Firstly, please measure the resistor between BAT+ and BAT-. If it is
not shorted, o
nly connect the inverter with battery, and press “ON”
button, could the inverter startup? If not, please check the fan.
2. If the LCD couldn’t light up and fan doesn’t work, please disconnect
all the wires and open the top cover, and then take the main board